Additional Information
| Author(s) | Cozma, Dumitru |
|---|
Cubic differential systems with 22-invariant straight lines
Dumitru Cozma
Abstract
creative_2013_22_2_185_192_abstractFor cubic differential system with a singular point O(0,0)O(0,0) of a center or a focus type having three invariant straight lines of which one is 2-invariant it is proved that the origin is a center if and only if the first five Lyapunov quantities vanish.
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